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Finding the Fourth Proportional to 341,748.92, 471,616.62 and 198,515

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Solution

The fourth proportional to 341,748.92, 471,616.62 and 198,515 is: 273,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,748.92 : 471,616.62 = 198,515 : x
  2. Step 2: Convert to fraction form
    341,748.92/471,616.62 = 198,515/x
  3. Step 3: Cross multiply
    341,748.92x = 471,616.62 × 198,515
  4. Step 4: Simplify right side
    341,748.92x = 93,622,973,319.30
  5. Step 5: Solve for x
    x = 93,622,973,319.30/341,748.92
  6. Step 6: Final answer
    x = 273,952.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.